#include <iostream>

using namespace std;

class Box {
    private:
        double length;
        double breadth;
        double height;
    public:
        Box(double l = 2.0,double b = 2.0,double h = 2.0){
        cout << "调用构造函数。" << endl;
        length = l;
        breadth = b;
        height = h;
    }

    double Volume() {
        return length * breadth * height;
    }

    int compare(Box box) {
        return this->Volume() > box.Volume();
    }
};

int main(void) {
    Box Box1(3.3,1.2,1.5);
    Box Box2(8.5,6.0,2.0);
    if (Box1.compare(Box2))
    {
        cout << "Box2的体积比Box1小" << endl;
    }else{
        cout << "Box2的体积大于或等于Box1" << endl;
    }
    return 0;
}